EverFocus RS232 Manual do Utilizador descarregar pdf (Página 15)

Connection to Alarm Output

The alarm module provides 8 alarm inputs and 8 alarm outputs. The user can assign

the corresponding relay status to the different events. There are three terminals:

COM, N.O and N.C. The wiring depends on the alarm device. Please read the user

manual of the external alarm devices before wiring. Using the 1

channel alarm signal

input as an example, the wiring is shown in Fig. 4.6 and 4.7.

Exteral

Alarming

Device

C.terminal

N.O. terminal

COM

N.O.

Fig. 4.6 Normally open connection for alarm output 1

N.C.

COM

N.C. terminal

C.terminal

Exteral

Alarming

Device

Fig. 4.7 Normally closed connection for alarm output 1

larm

module

larm

module

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EverFocus RS232 Manual do Utilizador Página 15